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Engine Technical Data
Engine type - Number of cylinders
Inline 6
Inline 6
Engine Code
N55B30
Fuel type
Petrol
Petrol
Fuel System
Direct Injection.
Lubrication
Wet sump
Engine Cooling
Water
Engine Alignment
Longitudinal
Longitudinal
Engine Position
Front
Engine displacement
181.8 cu-in / 2979 cm3
181.8 cu-in / 2979 cm3
Bore
3.31 inches
84.0 mm
3.31 inches
84 mm
Stroke
3.53 inches
89.6 mm
3.53 inches
89.6 mm
Number of valves
24
24
Aspiration
Turbo + Intercooler
Turbo + Intercooler
Compression Ratio
10.2
10.2
Horsepower
302 HP / 306 PS / 225 kW @ 5800 rpm
322 HP / 326 PS / 240 kW @ 5800 rpm
Maximum torque
295 lb-ft / 400 Nm @ 1200-5000 rpm
331 lb-ft / 450 Nm @ 1500-4500 rpm
Drive wheels - Traction - Drivetrain
RWD
RWD
Transmission Gearbox - Number of speeds
6
6
Clutch Type
Manual
Automatic
Size, Dimensions, Aerodynamics and Weight
Body
Cabrio
Num. of Doors
2
4
Num. of Seats
4
5
Seat distribution
2+2
Wheelbase
108.66 inches / 276.0 cm
120.87 inches / 307.0 cm
Length
181.57 inches / 461.2 cm
199.69 inches / 507.2 cm
Width
70.16 inches / 178.2 cm
74.88 inches / 190.2 cm
Height
54.49 inches / 138.4 cm
58.23 inches / 147.9 cm
Front Axle
59.06 inches / 150.0 cm
Rear Axle
59.33 inches / 150.7 cm
Ground clearance
5.43 inches / 13.8 cm5.43 inches / 13.8 cm
Aerodynamic drag coefficient - Cx
0.31
0.3
Front Brakes - Disc dimensions
Vented Discs (13.7 inches / 348 mm)
Vented Discs (14.72 inches / 374 mm)
Rear Brakes - Disc dimensions
Vented Discs (13.23 inches / 336 mm)
Vented Discs (13.58 inches / 345 mm)
Front Tyres - Rims dimensions
225/45 R17
245/50 R18
Rear Tyres - Rims dimensions
255/40 R17
245/50 R18
Front Wheels Width
8.0
Rear Wheels Width
8.5
Curb Weight
3990 lbs / 1810 kg
4266 lbs / 1935 kg
Weight/Power Output Ratio
5.92 Kg/hp
5.94 Kg/hp
Trunk / Boot capacity
12.4 cu-ft / 350 L
- cu-ft / 500--- L
Steering
Rack and pinion. PAS Hydraulic
Front Suspension
Independent MacPherson struts. Coil springs. Anti-roll bar.
Independent. Coil springs. Anti-roll bar.
Rear Suspension
Independent. Coil Springs. Anti-roll bar.
Independent. Coil Springs. Anti-roll bar.
Top Speed
155 Mph / 250 km/h
155 Mph / 250 km/h
Acceleration 0 to 100 km/h (0 to 62 mph)
5.8 s
5.9 s
Acceleration 0 to 1000m
25.2 s
25.5 s
Fuel Consumption (Economy), Emissions and Range
Fuel Consumption - Economy - City NEDC
19 MPG
12.4 L/100 km
23 MPG UK
17 MPG
13.8 L/100 km
20 MPG UK
Fuel Consumption - Economy - Open road NEDC
35 MPG
6.7 L/100 km
42 MPG UK
31 MPG
7.6 L/100 km
37 MPG UK
Fuel Consumption - Economy - Combined NEDC
27 MPG
8.8 L/100 km
32 MPG UK
24 MPG
9.9 L/100 km
29 MPG UK
Fuel Tank Capacity
16.6 gallons
63 L
13.9 UK gallons
21.7 gallons
82 L
18 UK gallons
CO2 emissions
205 g/Km (BMW)
232 g/Km (BMW)
Emission standard
Euro V
Safety
Euro NCAP